Improvement in take-up nuts



attrito State anni ottima.

Letters Patent No. 109,348, dated November 15, 1870. l

-iMPRovEMENT 1N TAKE-UP Nurs'.

The Schedule referred to in these Letters Patent and making 'part oi the same.

To all lwhom it may concern:

Be it known that we, THOMAS Ross and WILLIAM V. GRAHAM, of Rutland, in the county of Rutland and State of Vermont, have invented certain new and Yuseful Improvements in Take-upNuts; and we do hereby declare that the following is a full, clear, and exact description thereof', reference being had to the accompanying drawing and tothe letters of reference marked thereon, whichform a partof this specification.

The nature of our invention consists in the coustruction ot'a' takeup nut, divided in two parts, and provided witlrmeans for securing the two parts upon and concentric witheach other, as will be hereinafter fully set forth. I

1n order to enable fothersskilled in the art to whichY our invention appertains to make and use the same, we will now proceed to describe its construction and operation, reterring to theannexed drawing, in which- Figure 1 isa side view, part in section, and

Figure 2 'is an end view.

Our take-up nut is composed of two pieces', A and B, placed on the screw O, the piece A overlapping thc piece B, a'recess being turned into the end of the part A to receive the part B.

By the part A overlapping the part B we are enabled tp secure one to the other by a set-screw, D, after being screwed to a t.

The partspA and B being screwed together to take up the 'loss motion caused by wear, the set-screw D is turned in to hold them both in any desn'edplace, so that the nut will be tight or loose; or,.1n other words,

when the nut is found to be loose,rhold the-partB andscrew down the part.- A till there4 is "no play, then' tighten the set-screw D, which holdsthem firmly, making a perfect fit any time it is necessary.

This device is intended to be used where nut-s are subject to wear, such as on the feed-screw on an ordinary iron-workers lathe, and many other like places.

XVe do not confine ourselves to a set-screw as the means by which the two parts of the n ut are secured together, as it may be done in various other ways, although the most preferable mode is, probably, by a set-screw.

Having thus fully described our invention,

lVhat we cla-im as nem-and desire to secure by Letters Patent, is

` A take-np nut, divided in two parts, and provided with suitable means for securing the two parts upon and concentric with each other, substantially as and tor the purposes herein set forth.

In-testimony that we claim the foregoing as our own,

we amx our signatures in presence 0f two witnesses.

THOS. ROSS.

, WILLIAM W. GRAHAM.

Witnesses: R. BARRETT, B.' F. WOODRUFF. 

